Electrical Adjustment By Remote Commander - Sony KP 48S75 Service Manual

KP-43T75/48S75/
53N77/53S75/61S75
RM-Y906
3-9. ELECTRICAL ADJUSTMENT BY REMOTE
COMMANDER
By using Remote Commander (RM-Y906),all circuit adjustments
can be made.
NOTE : Test Equipment Required.
1. Pattern Generator (with component outputs)
2. Frequency counter
3. Digital multimeter
4. Audio oscillator
1. METHOD OF SETTING THE SERVICE ADJUSTMENT MODE
SERVICE MODE PROCEDURE
1. Standby mode. (Power off)
2. DISPLAY n 5 n VOL (+) n TV POWER
on the Remote Commander.
(Press each button within a second.)
SERVICE MODE ADJUSTMENT
Category Adjustment item
SERVICE VPNT VPOS 031
000000 00
(SCREEN DISPLAY)
3. The SCREEN displays the item being adjusted.
4. Press 1 or 4 on the Remote Commander to select the
adjustment item.
5. Press 3 or 6 on the Remote Commander to change the data.
6. Press 2 or 5 on the Remote Commander to select the
category.
Every time you press 2(Category up), Service mode changes
in the order as shown below.
VPNT
VPNV
VPNS
3DCM
TONE
DATA
SC
IC
PP
DAC
PJE
PI
ID
DSP CCD
MC OP
7. If you want to recover the latest values press - then [ENTER] to
read the memory.
8. Press [MUTING] then [ENTER] to write into memory.
9. Turn power off.
Note: Press 8 then [ENTER] on the Remote Commander to initialize
or turn set off and on to exit.
2. MEMORY WRITE CONFIRMATION METHOD
1. After adjustment, remove the plug from AC outlet, and then
replace the plug in AC outlet again.
2. Turn the power switch ON and set to Service Mode.
3. Call the adjusted items again and confirm they were adjusted.
3. ADJUSTING BUTTONS AND INDICATOR
MUTING
Category up
Adjustment item up
Adjustment item down
VOL (+)
Note : When the PJE mode is activated, which displays an
internally generated signal, several buttons on the remote
commander will have different functions than listed
above. Therefore, when in the PJE mode, refer to page 43
for button functions.
– 38 –
TV POWER ON
MUTING DVD/ SAT/ POWER
VTR CABLE
TV
FUNCTION
SYSTEM
OFF DVD/VTR SAT/CABLE TV
TV/VTR
FREEZE SWAP PIP
m N M
POSITION AUDIO ACTIVE
X z x
DISPLAY
SLEEP ANT TV/VIDEO
PICTURE
CC MTS/SAP DISPLAY
MODE
Data up
1 2 3
5 6 Data down
4
7 8 9
Category down
JUMP ENTER
0
INDEX
GUIDE
RESET
MENU
RM-Y906
ENTER